PHP multiple upload runs the loop once even no files submitted - php

Question

I am trying to upload multiples files using PHP and HTML but even I set the validation in my code isset, the foreach loop runs once with empty submission.
<?php
if (isset($_FILES['fileToUpload']))
{
foreach($_FILES['fileToUpload']['tmp_name'] as $key => $tmp_name)
{
$file_name = $key . $_FILES['fileToUpload']['name'][$key];
$file_size = $_FILES['fileToUpload']['size'][$key];
$file_tmp = $_FILES['fileToUpload']['tmp_name'][$key];
$file_type = $_FILES['fileToUpload']['type'][$key];
move_uploaded_file($file_tmp, getcwd() . "/" . time() . $file_name);
}
echo "Success";
}
else
{
echo "<form enctype='multipart/form-data' action='' method='POST'>";
echo "File:<input name='fileToUpload[]' multiple='multiple' type='file'/><input type='submit' value='Upload'/>";
echo "</form>";
}
?>

Answer 1

You have to check the file name whether it is empty or not before run the foreach loop using PHP
<?php
if (isset($_FILES['fileToUpload']))
{
if($_FILES['fileToUpload']['tmp_name'][0] == "") {
die("No files to upload");
}
else {
// Now there are some files you can run upload method here
foreach($_FILES['fileToUpload']['tmp_name'] as $key => $tmp_name) {}
}
}
?>

Answer 2

You can check errors for UPLOAD_ERR_NO_FILE or just check for general errors (as below).
<?php
if($_FILES['userfile']['error'] == 0) {
// do something
} else {
// handle
}